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Fastenio — Precision Fastening Solutions
M5-0.8 316 Stainless Steel Flat Head Socket Cap Screws — 90° Countersunk — Fully Threaded

M5-0.8 316 Stainless Steel Flat Head Socket Cap Screws — 90° Countersunk — Fully Threaded

SKU: FN-SS-FHS-M5-316-FULLTHD· 6 lengths

Bulk-Only Item

Minimum order quantity: 5,000 pieces per pack. Ships 7 business days after your cart reaches the $500 bulk minimum — bulk-only and regularly-stocked items both count. Learn more →

$487.50/ 5,000 pcs

$0.10/ea

pack

1 pack × 5,000 = 5,000 pieces

In Stock
FN-SS-FHS-M5X0.8-16MM-SS316-FT-HEX-PL
Free US shipping 30-day returns Ships ~7 business days

M5-0.8 316 stainless steel flat head socket cap screws (Allen head), 90° countersunk, fully threaded, DIN 7991 / ISO 10642. Superior 316 (A4) marine-grade corrosion resistance vs 18-8 — added molybdenum for chlorides and saltwater. Flush 90° flat countersunk head, 3mm hex socket drive. 6 lengths (8mm-25mm). Length measured overall (head included). Marine, OEM, and MRO applications.

Material

Stainless Steel

Finish

Plain / Natural

Grade

316 (A4-70)

Size

M5-0.8

Drive Type

Hex Socket

Head Style

flat

Standard

DIN 7991

Guides: 18-8 stainless steel vs. other grades

Technical Specifications

Drive3mm Hex Socket
Head StyleFlat Countersunk (90°)
Thread CoverageFully Threaded
Head Diameter10.0 mm
Head Height3.1 mm
Countersink Angle90 °
ThreadM5-0.8 Coarse

Order any length — 6 in this family

Type the packs you need and press Add; sort any column.

Head Dia.Head Ht.ThreadingDrivePacks
316 Stainless Steel
M5-0.8316 Stainless Steel Flat Head Socket Cap Screws — 90° Countersunk — Fully Threaded
8mm10.0 mm3.1 mmFully threadedHex Socket500FN-SS-FHS-M5X0.8-8MM-SS316-FT-HEX-PL$31.57$0.06/eapack of 500 · $0.06 ea
10mm10.0 mm3.1 mmFully threadedHex Socket1,000FN-SS-FHS-M5X0.8-10MM-SS316-FT-HEX-PL$51.36$0.05/eapack of 1,000 · $0.05 ea
12mm10.0 mm3.1 mmFully threadedHex Socket500FN-SS-FHS-M5X0.8-12MM-SS316-FT-HEX-PL$37.46$0.07/eapack of 500 · $0.07 ea
16mm10.0 mm3.1 mmFully threadedHex Socket5,000FN-SS-FHS-M5X0.8-16MM-SS316-FT-HEX-PL$487.50$0.10/eapack of 5,000 · $0.10 ea
20mm10.0 mm3.1 mmFully threadedHex Socket500FN-SS-FHS-M5X0.8-20MM-SS316-FT-HEX-PLOut of stock—
25mm10.0 mm3.1 mmFully threadedHex Socket500FN-SS-FHS-M5X0.8-25MM-SS316-FT-HEX-PL$60.02$0.12/eapack of 500 · $0.12 ea